INDEX. 



233 



Cereus — rout in ucj. 



pitajaya, 13, 14, 15, 123 



plagiostoma, 163 



platygonus, n, 156, 157, 159 



plumieri, 191 



polychaetus, 17 



polygonatus, 88 



polygonus, 47 



polylophus, 32, 33 



polymorphus, 138, 139 



polyrhizus, 185 



pomanensis, 155, 158 



pomanensis grossei, 155 



portoricensis, 150 



posclgeri, 1 1 1 



pottsii, 1 12 



princeps, 123 



pringlei, 68, 69, 70 



prisma ticus, 123, 212 



prismatiformis, 14 



pruinatus, 21 



pruinosus, 88, 89 



pseudosonorensis, 169 



pteranthus, 200 



pterogonus, 201, 213 



pugionifer, 96 



pugioniferus, 179, 180 



pugioniferus quadrangulispinus, 180 



purpusii, 184 



pyenaeanthus 137, 138 



quadrangularis, 124 



quadrangulispinus, 180 



quadricostatus, 81 



queretaroensis, 96, 97 



quintero, 139 



quisco, 137 



radicans, 195 



ramosus, 123 



reflexus, 43 



regalis, 20 



regelii, 155 



repandus, 4, 17, 18, 151, 152, 224 



repandus laetevirens, 149 



reptans, 58, 195 



resupinatus, 87 



retroflexus, 43 



rhodanthus, 170 



rhodocephalus, 158 



rhodoleucanthus, 21, 22 



rigidispinus, 103 



rigidus, 210 



robustus, 21 



rogalli, 21 



roridus, 89 



rosaceus, 201 



roseanus, 198 



rostratus, 203, 204, 205 



royeni, 44, 50 



royenii armatus, 40, 51 



royenii floccosus, 51 



ruber, 225 



ruferi, 219 



ruferi major, 219 



ruficeps, 75 



russelianus, 33 



salpingensis, 21 



santiaguensis, 131 



Cereus — continued. 



sargentianus, 177, 178 



saxicola, 21, 22 



saxicola anguiniformis, 22 

 seandens minor, 197 

 schcnckii, 180 



schickindantzii, 144 

 schmidtii, 197 

 sehoenemannii, 21 

 schomburgkii, igi 

 schottii, 177, 178 

 schottii austrulis, 177 

 sehrankii, 127 

 schumannii, 103 

 scleroearpus, 146, 147 

 scoparius, 41 

 seidelii, 15 

 senilis, 27 

 sepium, 160 

 serpens, 163 



serpentinus, 20, 117, 118, 119 

 serpentinus albispinus, 59, 118 

 serpentinus splendens, 21, 118 

 serpentinus stellatus, 118 

 serpentinus strictior, 118 

 serratus, 129 

 serruliflorus, 151 

 setaceus, 211, 212 

 setaceus viridior. 211 

 setiger, 129 

 setosus, 34, 35 

 simonii, 169 

 sirul, 123 



smaragdiflorus, 174, 175 

 smithii, 218 

 sonorensis, 169 

 spachianus, 131, 132 

 spathulatus, 21 

 speciosissimus, 128, 129 

 speciosissimus albiflorus, 128 

 speciosissimus aurantiacus, 128 

 speciosissimus blindii, 128 

 speciosissimus bodii, 128 

 speciosissimus bolhvillerianus, 128 

 speciosissimus bowtrianus, 128 

 speciosissimus coccineus, 127, 128 

 speciosissimus colmariensis, 128 

 speciosissimus curtisii, 128 

 speciosissimus danielsii, 128 

 speciosissimus devauxii, 128 

 speciosissimus edesii, 128 

 speciosissimus elegans, 128 

 speciosissimus eugenia, 128 

 speciosissimus finkii, 128 

 speciosissimus gebvillerianus, 128 

 speciosissimus gloriosus, 128 

 speciosissimus grandiflorus, 128 

 speciosissimus guillardieri, 128 

 speciosissimus hansii, 128 

 speciosissimus hitchensii, 128 

 speciosissimus hitchensii hybridus, 128 

 speciosissimus hitchensii speciosus, 12S 

 speciosissimus hoveyi, 128 

 speciosissimus ignescens, 128 

 speciosissimus jenkinsonii, 128 

 speciosissimus kampmannii, 128 

 speciosissimus kiardii, 128 



